package com.example.demoshiro.common.shiro;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class ApplicationContextUtils implements ApplicationContextAware {

    // 定义静态ApplicationContext
    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        ApplicationContextUtils.applicationContext = applicationContext;
    }
    @SuppressWarnings("unchecked")
    public static <T> T getBean(String beanName) {
        return  (T) applicationContext.getBean(beanName);
    }

    @SuppressWarnings("unchecked")
    public static <T> T getBean(Class<?> clazz) {
        return  (T) applicationContext.getBean(clazz);
    }
}
